News TV Videos ‘Chicago Fire’ preview Written by Lena Lamoray on December 6, 2016 CHICAGO FIRE — “One Hundred” Episode 508 — Pictured: Jesse Spencer as Matthew Casey — (Photo by: Matt Dinerstein/NBC) Tonight at 10/9c on NBC, don’t miss the 100th episode of Chicago Fire. Related posts:'Chicago P.D.' previews'Grimm' previews and digital exclusiveGRIMM preview clips - Watch "Volcanalis" tonight on NBC